/Engine/Plugins/Experimental/TextToSpeech/Source/TextToSpeech/Public/GenericPlatform/ITextToSpeechFactory.h
Abstract base class for all factories that create text to speech objects. Platform default factories have already been provided for all allowed platforms for this plugin. Inherit from this class and register it with the text to speech module to create your own custom text to speech objects See ITextToSpeechModule.h for more details.
class ITextToSpeechFactory